Subject
- Wood poles -- Maintenance and repair14
- Wood poles -- Fumigation13
- Wood poles -- Preservation13
- Wood -- Preservation6
- Fungicides4
- Wood preservatives4
- Western Dry Kiln Association. Meeting3
- Douglas fir1
- Forests and forestry1
- Forests and forestry -- Oregon1
- Lumber -- Deterioration -- Prevention1
- Western Dry Kiln Clubs. Meeting1
- Wood -- Deterioration1
- Wood -- Evaluation1
- Wood -- Northwest, Pacific -- Preservation1
- Wood -- Preservation -- Testing1
- Wood -- Preservatives -- Evaluation1
- Wood poles1
- Wood poles -- Deterioration1
- Wood poles -- Inspection1